2nd Semester Review - Unit 7

The substances listed on the right side of a chemical equation are the

• Yields
• Reactants
• Products
• Precipitates

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In chemical reactions, what does the principle of conservation of mass mean?

• Matter is not created or destroyed.
• The total mass of the reactants is greater than the total mass of the products.
• The total mass of the reactants is less than the total mass of the products.
• Matter is not changed.
  

Tags

NGSS.MS-PS1-5

How many Oxygen (O) atoms are in 2C₂HO₈C_l2

• 2
• 16
• 8
• 5

Tags

NGSS.MS-PS1-1

How many elements are in C₆H₁₂O₆?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

Is the following equation balanced?
2C₂H₂ + 5O₂ --> 4CO₂ + 2H₂O

• yes
• no

Tags

NGSS.MS-PS1-5

4Si + S₈ --> 2Si₂S₄

• Synthesis
• Decomposition
• Single displacement
• Double displacement

Tags

NGSS.MS-PS1-2

3Ca + 2AlCl₃ --> 3CaCl₂ + 2Al

• Synthesis
• Decomposition
• Single diplacement
• Double displacement

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

C₄H₁₂ + O₂ --> CO₂ + H₂O

• Synthesis
• Combustion
• Single Replacement
• Double Replacement

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

PbCl₂ + AgNO₃ ---> Pb(NO₃)₂ + AgCl 

• Synthesis
• Decomposition
• Single Replacement
• Double Replacement

Tags

NGSS.MS-PS1-2

Which of the following is the general formula for a decomposition reaction?

• A + B  → AB
• AB → A + B
• AB + C → AC + B
• AB + CD → AC + BD